From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [spurious parallel build bug] make -j fails with: "mv: mv: cannot stat `perl.mak': No such file or directory" Date: Mon, 27 Apr 2009 20:34:51 +0200 Message-ID: <20090427183451.GA23862@elte.hu> References: <20090427094843.GA5849@elte.hu> <7vk5563ua8.fsf@gitster.siamese.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: git@vger.kernel.org To: Junio C Hamano X-From: git-owner@vger.kernel.org Mon Apr 27 20:35:58 2009 Return-path: Envelope-to: gcvg-git-2@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1LyVgD-0005rv-LF for gcvg-git-2@gmane.org; Mon, 27 Apr 2009 20:35:50 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759301AbZD0SfK (ORCPT ); Mon, 27 Apr 2009 14:35:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758856AbZD0SfK (ORCPT ); Mon, 27 Apr 2009 14:35:10 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:46678 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758593AbZD0SfI (ORCPT ); Mon, 27 Apr 2009 14:35:08 -0400 Received: from elvis.elte.hu ([157.181.1.14]) by mx2.mail.elte.hu with esmtp (Exim) id 1LyVfP-00074J-74 from ; Mon, 27 Apr 2009 20:35:07 +0200 Received: by elvis.elte.hu (Postfix, from userid 1004) id 4CEB13E2138; Mon, 27 Apr 2009 20:34:50 +0200 (CEST) Content-Disposition: inline In-Reply-To: <7vk5563ua8.fsf@gitster.siamese.dyndns.org> User-Agent: Mutt/1.5.18 (2008-05-17) Received-SPF: neutral (mx2: 157.181.1.14 is neither permitted nor denied by domain of elte.hu) client-ip=157.181.1.14; envelope-from=mingo@elte.hu; helo=elvis.elte.hu; X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: * Junio C Hamano wrote: > Ingo Molnar writes: > > > I got this when i built v1.6.3-rc3 for the first time: > > > > $ make -j > > [...] > > CC builtin-annotate.o > > CC builtin-apply.o > > CC builtin-archive.o > > CC builtin-bisect--helper.o > > mv: mv: cannot stat `perl.mak': No such file or directory > > mv: cannot stat `perl.mak': No such file or directory > > CC builtin-blame.o > > mv: cannot stat `perl.mak': No such file or directory > > mv: cannot stat `perl.mak': No such file or directory > > cannot stat `perl.mak': No such file or directory > > > > a plain 'make' worked. > > > > Interestingly, a second attempt to reproduce it after a 'make > > clean' failed to trigger the bug. So it's either timing > > sensitive or there's some other weirdness that caused this. > > I've seen this a few times on the master machine at k.org but > haven't seen it elsewhere, perhaps because I do not have an access > to 8-way parallelism anywhere else. btw, this happened on a plain dual-core box. But i couldnt reproduce after that. Ingo